Abstract

A fundamental challenge in 3D tomographic reconstruction is the difficulty of obtaining ground truth about test objects with which to assess the fidelity of the 3D reconstruction. We present a method that provides such a quantitative metric of the accuracy of the three dimensional reconstruction for optical tomography. The method relies on spatial light modulation of the illumination beam through the sample and numerical back-propagation of the phase conjugated experimentally measured optical field through the 3D reconstruction of the object. The fidelity of this reconstruction provides a quantitative measure of the accuracy of the 3D reconstruction without direct access to the ground truth about the 3D object.

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